Table 3.

Sleep and working patterns by mood change.

	Mood Same or Better During COVID-19 Pandemic	Mood Worsened During COVID-19 Pandemic	t or χ2 (P Value)
Average sleep duration before stay-at-home order	n = 81 6.84 h (SD = 0.99)	n = 522 7.25 h (SD = 1.4)	t = 2.6 P = .009
Average sleep duration after stay-at-home order	n = 81 7.48 h (SD = 1.4)	n = 521 6.83 h (SD = 1.5)	t = –3.6 P < .001
Change in sleep duration after stay-at-home order	n = 81 0.64 h (SD = 1.4)	n = 521 –0.42 h (SD = 1.6)	t = –5.7 P < .001
Conducting job from home	n = 61 (17%)	n = 308 (84%)	χ2(1) = 7.7 P = .005
Wake time moved later	n = 45 (78%)	n = 217 (54%)	χ2(2) = 11.9 P = .003
More screen time before bed	n = 41 (51%)	n = 341 (65%)	χ2(1) = 6.5 P = .011

SD = standard deviation.